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Results for "

polyphenols

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Adrenergic Receptor (1) Akt (2) Amyloid-β (4) Antibiotic (1) Apoptosis (22) Autophagy (6) Bacterial (12) Biochemical Assay Reagents (5) c-Myc (1) Calcium Channel (2) Carnitine Palmitoyltransferase (CPT) (2) Caspase (3) Collagen (1) COMT (1) COX (7) Drug Derivative (3) Drug Intermediate (1) Drug Metabolite (3) Endogenous Metabolite (29) Environmental Pollutants (1) ERK (2) Fatty Acid Synthase (FASN) (1) Fungal (7) HBV (2) HDAC (1) Histamine Receptor (2) HIV (1) Interleukin Related (2) Isotope-Labeled Compounds (9) Keap1-Nrf2 (13) Liposome (2) MDM-2/p53 (1) MMP (6) MyD88 (2) NF-κB (10) NO Synthase (7) NOD-like Receptor (NLR) (2) Notch (1) p38 MAPK (2) PDGFR (2) PI3K (2) PPAR (1) Reactive Oxygen Species (ROS) (15) Reference Standards (22) SARS-CoV (2) Sirtuin (1) Tau Protein (1) TGF-beta/Smad (3) Toll-like Receptor (TLR) (2) Tyrosinase (6) Virus Protease (2) α-synuclein (1)
By Research Areas:	Cancer (41) Cardiovascular Disease (9) Endocrinology (1) Infection (21) Inflammation/Immunology (47) Metabolic Disease (29) Neurological Disease (15)
Oligonucleotides:	Liposome (2)

116

Inhibitors & Agonists

Screening Libraries

Biochemical Assay Reagents

Natural
Products

Isotope-Labeled Compounds

Oligonucleotides

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-13653

(-)-Epigallocatechin Gallate Maximum Cited Publications 57 Publications Verification EGCG; Epigallocatechol Gallate	Endogenous Metabolite Apoptosis	Inflammation/Immunology Cancer
(-)-Epigallocatechin Gallate (EGCG) is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. (-)-Epigallocatechin Gallate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma .

HY-N1445

Isoquercitrin 5+ Cited Publications Isoquercetin; Quercetin 3-glucoside	NF-κB NO Synthase	Inflammation/Immunology Cancer
Isoquercetin (Quercetin 3-glucoside) is a naturally occurring polyphenol that has antioxidant, anti-proliferative, and anti-inflammatory properties. Isoquercetin alleviates ethanol-induced hepatotoxicity, oxidative stress, and inflammatory responses via the Nrf2/ARE antioxidant signaling pathway . Isoquercetin regulates the expression of nitric oxide synthase 2 (NO2) via modulating the nuclear factor-κB (NF-κB) transcription regulation system. Isoquercetin has high bioavailability and low toxicity, is a promising candidate agent to prevent birth defects in diabetic pregnancies .

HY-N2342

Procyanidin C1 5+ Cited Publications PCC1	Apoptosis	Cancer
Procyanidin C1 (PCC1), a natural polyphenol with oral activity, causes DNA damage, cell cycle arrest and induces apoptosis. Procyanidin C1 decreases the level of Bcl-2, but enhances BAX, caspase 3 and 9 expression in cancer cells. Procyanidin C1 shows senotherapeutic activity and increases lifespan in mice .

HY-125860

Tyrosinase, Mushroom Polyphenol oxidase	Tyrosinase	Neurological Disease Endocrinology Cancer
Tyrosinase (EC 1.14.18.1) (Polyphenol oxidase) is a rate-limiting enzyme that controls the production of melanin. Tyrosinase is mainly found in melanosomes synthesized by skin melanocytes. Tyrosinase can be used in research on Parkinson's disease, melanoma and pigmentation .

HY-W016562

Hippuric acid 1 Publications Verification Benzoylglycine	Endogenous Metabolite Keap1-Nrf2 MMP Reactive Oxygen Species (ROS) TGF-beta/Smad	Cardiovascular Disease Metabolic Disease Inflammation/Immunology
Hippuric Acid is an orally active metabolite. Hippuric Acid can be produced by intestinal microorganisms from the metabolism of polyphenols, benzoic acid. Hippuric Acid decreases NRF2, MMP9 and leads to ROS accumulation. Hippuric Acid activates TGFβ/SMAD signaling. Hippuric Acid improves hyperuricemia and colitis. Hippuric Acid can also be used in cardiovascular disease research . .

HY-N0063

Punicalagin 10+ Cited Publications	SARS-CoV HBV	Infection Metabolic Disease Cancer
Punicalagin is a polyphenol ingredient isolated from Pomegranate (Punica granatum L.) or the leaves of Terminalia catappa L.. Punicalagin is a reversible and non-competitive 3CL ^pro inhibitor and inhibits SARS-CoV-2 replication in vitro. Punicalagin is an anti-hepatitis B virus (HBV) agent and has antioxidant, anti-inflammatory, and anticancer effects. Punicalagin has the potential for the research of COVID-19 .

HY-N1902

4-Hydroxyphenylacetic acid	Keap1-Nrf2 Endogenous Metabolite	Metabolic Disease
4-hydroxyphenylacetic acid, a major microbiota-derived metabolite of polyphenols, is involved in the antioxidative action. 4-hydroxyphenylacetic acid induces expression of Nrf2 .

HY-N0192

Arbutin 3 Publications Verification β-Arbutin	Tyrosinase Endogenous Metabolite	Cancer
Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase, with K_i ^app values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents . Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties .

HY-N0522

(-)-Gallocatechin gallate 3 Publications Verification (-)-Gallocatechol gallate	COMT	Cancer
(-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.

HY-N0704

Agrimol B 1 Publications Verification	Sirtuin PPAR Fatty Acid Synthase (FASN) c-Myc Bacterial	Infection Metabolic Disease Cancer
Agrimol B, a polyphenol, is an orally active and potent SIRT1 activator. Agrimol B shows anti-adipogenic and anticancer activity. Agrimol B shows antibacterial activity against plant pathogens. Agrimol B dramatically inhibits 3T3-L1 adipocyte differentiation by reducing PPARγ, C/EBPα, FAS, UCP-1, and apoE expression. The action of Agrimol B on the cancer cells is likely derived from its effect on c-MYC, SKP2 and p27 .

HY-N1579

Pyrogallol 4 Publications Verification	Endogenous Metabolite Fungal Apoptosis	Infection
Pyrogallol is a polyphenol compound, which has anti-fungal and anti-psoriatic properties. Pyrogallol is a reductant that is able to generate free radicals, in particular superoxide anions.

HY-N0017

Bergenin 5+ Cited Publications Cuscutin	NF-κB Autophagy Apoptosis Bacterial Fungal Virus Protease	Infection Inflammation/Immunology Cancer
Bergenin is a cytoprotective and antioxidative polyphenol found in many medicinal plants. Bergenin has a wide spectrum activities such as hepatoprotective, antiinflammatory, immunomodulatory, antitumor, antiviral, and antifungal properties .

HY-N0295

Protocatechualdehyde 1 Publications Verification Catechaldehyde; Protocatechuic aldehyde; Rancinamycin IV	Reactive Oxygen Species (ROS) Bacterial Endogenous Metabolite	Infection Cancer
Protocatechualdehyde (Catechaldehyde), a natural polyphenol compound isolated from the roots of radix Salviae Miltiorrhizae, is associated with a wide variety of biological activities and has been widely used in medicine as an antioxidant, anti-aging, an antibacterial and anti-inflammatory agent .

HY-Z0548

Methyl 3,4-dihydroxybenzoate Protocatechuic acid methyl ester; Methyl protocatechuate	Keap1-Nrf2 Apoptosis	Inflammation/Immunology Cancer
Methyl 3,4-dihydroxybenzoate (Protocatechuic acid methyl ester; Methyl protocatechuate) is a major metabolite of antioxidant polyphenols found in green tea. Antioxidant and anti-inflammatory effect .

HY-N4117

Hamamelitannin	Bacterial	Infection
Hamamelitannin, a polyphenol extracted from the bark of Hamamelis virginiana, is a quorum-sensing (QS) inhibitor. Hamamelitannin increases antibiotic susceptibility of staphylococcus aureus biofilms by affecting peptidoglycan biosynthesis and eDNA release .

HY-135897

Urolithin C 5 Publications Verification	Calcium Channel Reactive Oxygen Species (ROS) Apoptosis Endogenous Metabolite	Metabolic Disease
Urolithin C, a gut-microbial metabolite of Ellagic acid, is a glucose-dependent activator of insulin secretion. Urolithin C is a L-type Ca ²⁺ channel opener and enhances Ca ²⁺ influx. Urolithin C induces cell apoptosis through a mitochondria-mediated pathway and also stimulates reactive oxygen species (ROS) formation .

HY-107208

Procyanidol B4 1 Publications Verification (-)-Procyanidin B4	Reactive Oxygen Species (ROS) COX Interleukin Related NO Synthase	Inflammation/Immunology
Procyanidol B4 ((-)-Procyanidin B4) is an orally active polyphenol found in Q.gilva. Procyanidol B4 exerts antioxidant activity by scavenging DPPH (HY-112053) (IC₅₀: 12.15 μM) and Nitro blue tetrazolium chloride (NBT) (HY-15925) (IC₅₀: 8.67 μM). Procyanidol B4 exhibits anti-inflammatory activity by inhibiting the expression of COX-2 and IL-1β and iNOS .

HY-B1890

(±)-Catechin 1 Publications Verification rel-Cianidanol; rel-Catechuic acid	COX	Infection Cardiovascular Disease Neurological Disease Inflammation/Immunology Cancer
(±)-Catechin (rel-Cianidanol) is the racemate of the green tea polyphenol Catechin. Catechin has anticancer activity and induces apoptosis. (±)-Catechin has two forms, (+)-Catechin and its enantiomer (-)-Catechin. (+)-Catechin inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 1.4 μM. (-)-Catechin can effectively promote hBM-MSC adipocyte differentiation and increase adiponectin and PPARγ levels. (±)-Catechin has anti-tumor, anti-obesity, anti-diabetic, anti-cardiovascular, anti-infectious, hepatoprotective and neuroprotective effects .

HY-N0001A

(+)-Epicatechin 1 Publications Verification Dexepicatechin; (+)-Epicatechol	Others	Others
(+)-Epicatechin (Dexepicatechin) is a catechin and a polyphenol, with antioxidant activities .

HY-N0521A

(+)-Gallocatechin 1 Publications Verification	Others	Cancer
(+)-Gallocatechin is a polyphenol compound from green tea, possesses anticancer activity .

HY-150521

Hispolon	Antibiotic	Infection Cardiovascular Disease Metabolic Disease Inflammation/Immunology Cancer
Hispolon, a polyphenol, can be isolated from Phellinus linteus. Hispolon possesses anticancer, antidiabetic, antioxidant, antiviral, hepatoprotective, anti-diabetic, and anti-inflammatory activities .

HY-13653R

(-)-Epigallocatechin Gallate (Standard) Maximum Cited Publications 57 Publications Verification EGCG(Standard); Epigallocatechol Gallate (Standard)	Reference Standards Endogenous Metabolite Apoptosis	Inflammation/Immunology Cancer
(-)-Epigallocatechin Gallate (Standard) is the analytical standard of (-)-Epigallocatechin Gallate. This product is intended for research and analytical applications. (-)-Epigallocatechin Gallate (EGCG) is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. (-)-Epigallocatechin Gallate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma .

HY-N1925

Tea polyphenol 2 Publications Verification	Apoptosis Autophagy	Neurological Disease Inflammation/Immunology Cancer
Tea polyphenol is the floorboard of phenolic compounds in tea. Tea polyphenol exhibits biological activity including antioxidant and anti-cancer activities, inhibition of cell proliferation, induction of apoptosis, cell cycle arrest and modulation of carcinogen metabolism .

HY-29035

Dopamine acrylamide	Collagen	Others
Dopamine acrylamide, a polyphenol derivative, can cross-link collagen mainly via noncovalent bonding under acidic-non-oxidized conditions .

HY-113085

3-Hydroxyhippuric acid 1 Publications Verification	Endogenous Metabolite	Others
3-Hydroxyhippuric acid is an acyl glycine. 3-Hydroxyhippuric acid inhibits kynureninase (K_i = 60 μM). 3-Hydroxyhippuric acid is found in higher concentrations in autistic group than in the controls. 3-Hydroxyhippuric acid is a marker of Clostridium species, and has a positive correlation with the level of Clostridia. 3-Hydroxyhippuric acid is one of the main metabolites formed from the catechin diet and wine polyphenol diets .

HY-113158

4-Hydroxyhippuric acid	Drug Metabolite	Metabolic Disease
4-Hydroxyhippuric acid is a metabolite of polyphenols. 4-Hydroxyhippuric acid is generated via medium-chain acyl-CoA dehydrogenase (MCAD)-dependent β-oxidation of microbially-produced 3-(4-hydroxyphenyl)propionic acid, followed by host glycine conjugation. 4-Hydroxyhippuric acid can be simultaneously detected in urine as a biomarker of dietary polyphenol intake .

HY-N2485

4'-Methoxyresveratrol 1 Publications Verification 4'-O-Methylresveratrol	NF-κB NOD-like Receptor (NLR)	Inflammation/Immunology
4'-Methoxyresveratrol (4'-O-Methylresveratrol) is a polyphenol derived from Dipterocarpaceae, with antiandrogenic, antifungal and anti-inflammatory activities. 4'-Methoxyresveratrol alleviates AGE-induced inflammation through suppressing RAGE-mediated MAPK/NF-κB signaling pathway and NLRP3 inflammasome activation .

HY-N0063R

Punicalagin (Standard)	Reference Standards SARS-CoV HBV	Infection Metabolic Disease Cancer
Punicalagin (Standard) is the analytical standard of Punicalagin. This product is intended for research and analytical applications. Punicalagin is a polyphenol ingredient isolated from Pomegranate (Punica granatum L.) or the leaves of Terminalia catappa L.. Punicalagin is a reversible and non-competitive 3CLpro inhibitor and inhibits SARS-CoV-2 replication in vitro. Punicalagin is an anti-hepatitis B virus (HBV) agent and has antioxidant, anti-inflammatory, and anticancer effects. Punicalagin has the potential for the research of COVID-19 .

HY-N4146

Proanthocyanidin A4	Others	Inflammation/Immunology
Proanthocyanidin A4 is a polyphenol found in a variety of plants. Proanthocyanidin A4 possesses anti-inflammatory effects .

HY-N1579R

Pyrogallol (Standard)	Reference Standards Endogenous Metabolite Fungal Apoptosis	Infection
Pyrogallol (Standard) is the analytical standard of Pyrogallol. This product is intended for research and analytical applications. Pyrogallol is a polyphenol compound, which has anti-fungal and anti-psoriatic properties. Pyrogallol is a reductant that is able to generate free radicals, in particular superoxide anions.

HY-W115789

Sodium silicate	Environmental Pollutants Reactive Oxygen Species (ROS)	Others
Sodium silicate is a water-soluble silicate. Sodium silicate is widely used as a binder, particularly in the production of detergents, soaps, and cleaners. Sodium silicate promotes the deposition of suberin polyphenols and lignin at wound sites of potato tubers, accelerates callus structure formation, enhances ROS production, and induces the synthesis of total phenols and flavonoids. Sodium silicate reduces the weight loss rate and disease index of wounded potato tubers during storage .

HY-W014841

Sodium hippurate, 98% 1 Publications Verification N-Benzoylglycine sodium, 98%	Keap1-Nrf2 Reactive Oxygen Species (ROS) MMP TGF-beta/Smad Endogenous Metabolite	Cardiovascular Disease Metabolic Disease Inflammation/Immunology
Sodium hippurate, 98% is an orally active metabolite. Sodium hippurate, 98% can be produced by intestinal microorganisms from the metabolism of polyphenols, benzoic acid. Sodium hippurate, 98% decreases NRF2, MMP9 and leads to ROS accumulation. Sodium hippurate, 98% activates TGFβ/SMAD signaling. Sodium hippurate, 98% improves hyperuricemia and colitis. Sodium hippurate, 98% can also be used in cardiovascular disease research . .

HY-150526

EGCG-4″-sulfate	Endogenous Metabolite Apoptosis	Inflammation/Immunology Cancer
EGCG-4″-sulfate is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate sulfate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. EGCG-4″-sulfate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma .

HY-N10668

2-(3-Hydroxy-2-oxoindolin-3-yl)-acetic acid	Others	Others
2-(3-Hydroxy-2-oxoindolin-3-yl)-acetic acid (compound 29) is a natural polyphenol compound found in hop bract .

HY-N9919

Glyasperin C	Others	Others
Glyasperin C is a potent and reversible noncompetitive inhibitor of neuraminidase with an IC₅₀ of 20% at 200 μM. Glyasperin C is a polyphenol isolated from the roots of Glycyrrhiza uralensis .

HY-129137

Cyanidin 3-sophoroside chloride Cy 3-soph	Tyrosinase	Others
Cyanidin 3-sophoroside chloride is a potent non-competitive reversible polyphenol oxidase (PPO)/Tyrosinase inhibitor. Also, Cyanidin 3-sophoroside chloride can be used as an anti-browning agent to inhibit the degree of PPO browning, enhance the antioxidant damage capacity of fruits and prolong the storage period .

HY-N0192R

Arbutin (Standard) β-Arbutin (Standard)	Reference Standards Tyrosinase Endogenous Metabolite	Cancer
Arbutin (Standard) is the analytical standard of Arbutin. This product is intended for research and analytical applications. Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase, with Kiapp values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents . Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties .

HY-W016562R

Hippuric acid (Standard) Benzoylglycine (Standard)	Reference Standards Endogenous Metabolite	Metabolic Disease
Hippuric acid (Standard) is the analytical standard of Hippuric acid. This product is intended for research and analytical applications. Hippuric Acid is an orally active metabolite. Hippuric Acid can be produced by intestinal microorganisms from the metabolism of polyphenols, benzoic acid. Hippuric Acid decreases NRF2, MMP9 and leads to ROS accumulation. Hippuric Acid activates TGFβ/SMAD signaling. Hippuric Acid improves hyperuricemia and colitis. Hippuric Acid can also be used in cardiovascular disease research . .

HY-N7664

Isotheaflavin	Others	Others
Isotheaflavin is one of antioxidant polyphenols in black tea .

HY-N13242

Cinnamon Bark Extract	Others	Others
Cinnamon Bark Extract is the extract of Cinnamon Bark, with content of 10% -30% Polyphenols.

HY-N13229

Green Tea Extract	Apoptosis	Others
Green Tea Extract is the extract of Green Tea, with content of 30% -98% Tea Polyphenol.

HY-N11823

Quercetin 3,7-diglucoside	Biochemical Assay Reagents	Others
Quercetin 3,7-diglucoside is an antioxidant that can be obtained from the leaves of Ficus carica L .

HY-N0522R

(-)-Gallocatechin gallate (Standard) (-)-Gallocatechol gallate (Standard)	Reference Standards Others	Cancer
(-)-Gallocatechin gallate (Standard) is the analytical standard of (-)-Gallocatechin gallate. This product is intended for research and analytical applications. (-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.

HY-N10647

Isoscutellarein 8-O-β-D-glucuronide	Others	Inflammation/Immunology
Isoscutellarein 8-O-β-D-glucuronide is a flavonoid antioxidant, can be isolated from Theobroma grandiflorum seeds .

HY-N1902S

4-Hydroxyphenylacetic acid-d6	Isotope-Labeled Compounds Keap1-Nrf2 Endogenous Metabolite	Metabolic Disease
4-Hydroxyphenylacetic acid-d₆ is the deuterium labeled 4-Hydroxyphenylacetic acid. 4-hydroxyphenylacetic acid, a major microbiota-derived metabolite of polyphenols, is involved in the antioxidative action. 4-hydroxyphenylacetic acid induces expression of Nrf2 .

HY-W015752

5-Methoxyresorcinol	Drug Intermediate	Others
5-Methoxyresorcinol is a model molecule of the A ring of flavonoids, specifically simulating the chemical behavior of the resorcinol-type A ring found in catechins. 5-Methoxyresorcinol exhibits extremely low reactivity of tocopherol. 5-Methoxyresorcinol hardly inhibits cholesteryl ester transfer protein (CETP) .

HY-N2342R

Procyanidin C1 (Standard) PCC1 (Standard)	Reference Standards Apoptosis	Cancer
Procyanidin C1 (Standard) is the analytical standard of Procyanidin C1. This product is intended for research and analytical applications. Procyanidin C1 (PCC1), a natural polyphenol with oral activity, causes DNA damage, cell cycle arrest and induces apoptosis. Procyanidin C1 decreases the level of Bcl-2, but enhances BAX, caspase 3 and 9 expression in cancer cells. Procyanidin C1 shows senotherapeutic activity and increases lifespan in mice .

HY-N1902S1

4-Hydroxyphenylacetic acid-d4	Keap1-Nrf2 Endogenous Metabolite	Metabolic Disease
4-Hydroxyphenylacetic acid-d₄ is the deuterium labeled 4-Hydroxyphenylacetic acid . 4-hydroxyphenylacetic acid, a major microbiota-derived metabolite of polyphenols, is involved in the antioxidative action. 4-hydroxyphenylacetic acid induces expression of Nrf2 .

HY-N4298

Epitheaflagallin 3-O-gallate	MMP	Metabolic Disease Inflammation/Immunology
Epitheaflagallin 3-O-gallate is a minor polyphenol in black tea. Epitheaflagallin 3-O-gallate exhibits versatile physiological functions in vivo and in vitro, including antioxidative activity, pancreatic lipase inhibition, Streptococcus sorbinusglycosyltransferase inhibition, and an inhibiting effect on the activity of matrix metalloprotease-1 and -3 and their synthesis by human gingival fibroblasts .

HY-113085R

3-Hydroxyhippuric acid (Standard)	Reference Standards Endogenous Metabolite	Others
3-Hydroxyhippuric acid (Standard) is the analytical standard of 3-Hydroxyhippuric acid. This product is intended for research and analytical applications. 3-Hydroxyhippuric acid is an acyl glycine. 3-Hydroxyhippuric acid inhibits kynureninase (K_i = 60 μM). 3-Hydroxyhippuric acid is found in higher concentrations in autistic group than in the controls. 3-Hydroxyhippuric acid is a marker of Clostridium species, and has a positive correlation with the level of Clostridia. 3-Hydroxyhippuric acid is one of the main metabolites formed from the catechin diet and wine polyphenol diets .

Cat. No.	Product Name

HY-L057

Phenols Library

1,290 compounds

Phenolic compounds are usually referred to as a diverse group of naturally occurring compounds with multiple medical properties, such as antioxidants, antimicrobial properties. Those compounds are commonly found in food and plants. They have high synthetic, medicinal and industrial values. Polyphenols are compounds with multiple phenolic functionalities. Naturally occurring polyphenols are known to have biological activities for use as drugs, for example, in diseases like AIDS, heart ailments, ulcer formation, bacterial infection, mutagenesis and neural disorders.

MCE offers a unique collection of 1,290 natural phenol compounds which is a useful tool for drug discovery as an important source of lead compounds.

HY-L094

Food-Sourced Compound Library

2,057 compounds

The health benefits deriving from the consumption of certain foods have been common knowledge. All foods are made up of chemical substances. Chemicals in foods are largely harmless and often desirable. At present, numerous researchers have been focused on the beneficial role played by certain food components in the close relationship between food intake and health status. For example, polyphenols, a common class of compounds among foods, are well-known antioxidants, which may play a role in the prevention of several diseases including type 2 diabetes, cardiovascular diseases, and some types of cancer.

MCE supplies a unique collection of 2,057 compounds from variety of foods. All compounds are with specific food source(s). MCE Food-Sourced Compound Library is the useful tool to discover molecules with pharmaceutical activity from foods.

HY-L163

FDA-Approved Traditional Chinese Medicine Active Compound Library

306 compounds

Traditional Chinese medicine provides abundant natural resources for medicinal compounds, which are often considered effective and safe for drug discovery. Traditional Chinese medicine is based on the principle of "multiple components, multiple targets, and multiple pathways", and naturally has multiple pharmacological effects. As herbal medicine, the secondary plant metabolites in Chinese herbal medicine play an important role in alleviating many diseases in Traditional medicine and folk use. Therefore, the identification of traditional Chinese medicine derived compounds is also an important process in drug development and a necessary factor in dissecting the overall mechanism of action of traditional Chinese medicine. FDA listed compounds have completed extensive preclinical and clinical studies, exhibiting good biological activity, safety, and bioavailability.

MCE designs a unique collection of 306 FDA/EMA/NMPA/PMDA etc-approved traditional Chinese medicine active compounds, including flavonoids, polyphenols, alkaloids, terpenoids, and other structural types. It is a good tool for drug reuse and screening drugs from traditional Chinese medicine sources.

Cat. No.	Product Name	Type

HY-W115789

Sodium silicate

Biochemical Assay Reagents

Sodium silicate is a water-soluble silicate. Sodium silicate is widely used as a binder, particularly in the production of detergents, soaps, and cleaners. Sodium silicate promotes the deposition of suberin polyphenols and lignin at wound sites of potato tubers, accelerates callus structure formation, enhances ROS production, and induces the synthesis of total phenols and flavonoids. Sodium silicate reduces the weight loss rate and disease index of wounded potato tubers during storage .

HY-W014841

Sodium hippurate, 98%

1 Publications Verification

N-Benzoylglycine sodium, 98%

Biochemical Assay Reagents

Sodium hippurate, 98% is an orally active metabolite. Sodium hippurate, 98% can be produced by intestinal microorganisms from the metabolism of polyphenols, benzoic acid. Sodium hippurate, 98% decreases NRF2, MMP9 and leads to ROS accumulation. Sodium hippurate, 98% activates TGFβ/SMAD signaling. Sodium hippurate, 98% improves hyperuricemia and colitis. Sodium hippurate, 98% can also be used in cardiovascular disease research . .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-13653

(-)-Epigallocatechin Gallate Maximum Cited Publications 57 Publications Verification EGCG; Epigallocatechol Gallate	Structural Classification Classification of Application Fields Anti-aging Plants Endogenous metabolite Flavonoids other families Flavonones Phenols Polyphenols Inflammation/Immunology Disease Research Fields Source Classification Cancer	Endogenous Metabolite Apoptosis
(-)-Epigallocatechin Gallate (EGCG) is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. (-)-Epigallocatechin Gallate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma .

HY-N1445

Isoquercitrin 5+ Cited Publications Isoquercetin; Quercetin 3-glucoside	Apocynaceae Flavonols Flavonoids Classification of Application Fields Phenols Polyphenols Plants Apocynum venetum Linn. Disease Research Fields Source Classification Cancer	NF-κB NO Synthase
Isoquercetin (Quercetin 3-glucoside) is a naturally occurring polyphenol that has antioxidant, anti-proliferative, and anti-inflammatory properties. Isoquercetin alleviates ethanol-induced hepatotoxicity, oxidative stress, and inflammatory responses via the Nrf2/ARE antioxidant signaling pathway . Isoquercetin regulates the expression of nitric oxide synthase 2 (NO2) via modulating the nuclear factor-κB (NF-κB) transcription regulation system. Isoquercetin has high bioavailability and low toxicity, is a promising candidate agent to prevent birth defects in diabetic pregnancies .

HY-N2342

Procyanidin C1 5+ Cited Publications PCC1	Classification of Application Fields Rosaceae Crataegus pinnatifida Bge. Plants Flavonoids Functional Molecules Research of Health Products Phenols Polyphenols Biflavones Disease Research Fields Source Classification Cancer	Apoptosis
Procyanidin C1 (PCC1), a natural polyphenol with oral activity, causes DNA damage, cell cycle arrest and induces apoptosis. Procyanidin C1 decreases the level of Bcl-2, but enhances BAX, caspase 3 and 9 expression in cancer cells. Procyanidin C1 shows senotherapeutic activity and increases lifespan in mice .

HY-W016562

Hippuric acid 1 Publications Verification Benzoylglycine	Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Disease markers Endocrine diseases Metabolic Disease Nervous System Disorder Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite Keap1-Nrf2 MMP Reactive Oxygen Species (ROS) TGF-beta/Smad
Hippuric Acid is an orally active metabolite. Hippuric Acid can be produced by intestinal microorganisms from the metabolism of polyphenols, benzoic acid. Hippuric Acid decreases NRF2, MMP9 and leads to ROS accumulation. Hippuric Acid activates TGFβ/SMAD signaling. Hippuric Acid improves hyperuricemia and colitis. Hippuric Acid can also be used in cardiovascular disease research . .

HY-N0063

Punicalagin 10+ Cited Publications	Infection Structural Classification Punica granatum L. Classification of Application Fields Phenols Polyphenols Metabolic Disease Punicaceae Plants Disease Research Fields Source Classification	SARS-CoV HBV
Punicalagin is a polyphenol ingredient isolated from Pomegranate (Punica granatum L.) or the leaves of Terminalia catappa L.. Punicalagin is a reversible and non-competitive 3CL ^pro inhibitor and inhibits SARS-CoV-2 replication in vitro. Punicalagin is an anti-hepatitis B virus (HBV) agent and has antioxidant, anti-inflammatory, and anticancer effects. Punicalagin has the potential for the research of COVID-19 .

HY-N1902

4-Hydroxyphenylacetic acid	Structural Classification Human Gut Microbiota Metabolites Monophenols Classification of Application Fields Phenols Metabolic Disease Plants Compositae Endogenous metabolite Erythrina latissima E. Mey. Disease Research Fields Source Classification	Keap1-Nrf2 Endogenous Metabolite
4-hydroxyphenylacetic acid, a major microbiota-derived metabolite of polyphenols, is involved in the antioxidative action. 4-hydroxyphenylacetic acid induces expression of Nrf2 .

HY-N0192

Arbutin 3 Publications Verification β-Arbutin	Bergenia purpurascens (Hook. f. et Thoms.) Engl. Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Phenols Saxifragaceae Plants Endogenous metabolite Disease Research Fields Source Classification Cancer	Tyrosinase Endogenous Metabolite
Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase, with K_i ^app values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents . Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties .

HY-N0522

(-)-Gallocatechin gallate 3 Publications Verification (-)-Gallocatechol gallate	Structural Classification Flavonoids Classification of Application Fields Flavanols Phenols Polyphenols Camellia sinensis (L.) O. Ktze. Plants Disease Research Fields Source Classification Theaceae Cancer	COMT
(-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.

HY-N0704

Agrimol B 1 Publications Verification	Agrimonia pilosa Ledeb. Classification of Application Fields Rosaceae Phenols Polyphenols Metabolic Disease Plants Disease Research Fields	Sirtuin PPAR Fatty Acid Synthase (FASN) c-Myc Bacterial
Agrimol B, a polyphenol, is an orally active and potent SIRT1 activator. Agrimol B shows anti-adipogenic and anticancer activity. Agrimol B shows antibacterial activity against plant pathogens. Agrimol B dramatically inhibits 3T3-L1 adipocyte differentiation by reducing PPARγ, C/EBPα, FAS, UCP-1, and apoE expression. The action of Agrimol B on the cancer cells is likely derived from its effect on c-MYC, SKP2 and p27 .

HY-N1579

Pyrogallol 4 Publications Verification	Infection Microorganisms Classification of Application Fields Phenols Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite Fungal Apoptosis
Pyrogallol is a polyphenol compound, which has anti-fungal and anti-psoriatic properties. Pyrogallol is a reductant that is able to generate free radicals, in particular superoxide anions.

HY-N0017

Bergenin 5+ Cited Publications Cuscutin	Bergenia purpurascens (Hook. f. et Thoms.) Engl. Infection Classification of Application Fields Phenols Polyphenols Saxifragaceae Plants Inflammation/Immunology Disease Research Fields Source Classification	NF-κB Autophagy Apoptosis Bacterial Fungal Virus Protease
Bergenin is a cytoprotective and antioxidative polyphenol found in many medicinal plants. Bergenin has a wide spectrum activities such as hepatoprotective, antiinflammatory, immunomodulatory, antitumor, antiviral, and antifungal properties .

HY-N0295

Protocatechualdehyde 1 Publications Verification Catechaldehyde; Protocatechuic aldehyde; Rancinamycin IV	Infection Classification of Application Fields Anti-aging Labiatae Samanea saman (Jacq.) Merr. Phenols Polyphenols Plants Disease Research Fields Source Classification Cancer	Reactive Oxygen Species (ROS) Bacterial Endogenous Metabolite
Protocatechualdehyde (Catechaldehyde), a natural polyphenol compound isolated from the roots of radix Salviae Miltiorrhizae, is associated with a wide variety of biological activities and has been widely used in medicine as an antioxidant, anti-aging, an antibacterial and anti-inflammatory agent .

HY-N2593

Isorhapontigenin 4 Publications Verification	Structural Classification Stilbenes Classification of Application Fields Gnetum cleistostachyum C. Y. Cheng Phenols Polyphenols Gnetaceae Plants Inflammation/Immunology Disease Research Fields Source Classification	Carnitine Palmitoyltransferase (CPT) Reactive Oxygen Species (ROS) Autophagy Apoptosis NF-κB PI3K Akt MMP Keap1-Nrf2
Isorhapontigenin is an orally active dietary polyphenol. Isorhapontigenin acts as a potent antioxidant that reduces the production of reactive oxygen species (ROS). Isorhapontigenin promotes the binding of JUN to the AP-1 site on the SESN2 promoter, induces SESN2 transcription, triggers MAPK8-dependent JUN activation, and upregulates the expression of PPAR-α, PGC-1α and CPT-1A to facilitate fatty acid oxidation. Isorhapontigenin induces autophagy, apoptosis and preadipocyte differentiation; it inhibits tumor growth, cell invasion, NF-κB transcriptional activity, the PI3K/Akt signaling pathway, STAT1 phosphorylation and MMP-2 expression. Isorhapontigenin alleviates oxidative stress, inflammatory cytokine release and triglyceride accumulation; it increases intracellular ATP levels and promotes Nrf2 nuclear translocation. Isorhapontigenin improves insulin sensitivity in adipose tissue and glucose tolerance, and reduces postprandial blood glucose, insulin and free fatty acid levels. Isorhapontigenin is applicable to research on bladder cancer, liver injury, chronic obstructive pulmonary disease, acute lung injury and type 2 diabetes .

HY-Z0548

Methyl 3,4-dihydroxybenzoate Protocatechuic acid methyl ester; Methyl protocatechuate	Classification of Application Fields Phenols Polyphenols Camellia sinensis (L.) O. Ktze. Plants Inflammation/Immunology Disease Research Fields Source Classification Theaceae	Keap1-Nrf2 Apoptosis
Methyl 3,4-dihydroxybenzoate (Protocatechuic acid methyl ester; Methyl protocatechuate) is a major metabolite of antioxidant polyphenols found in green tea. Antioxidant and anti-inflammatory effect .

HY-N4117

Hamamelitannin	Infection Hamamelis mollis Oliver Classification of Application Fields Phenols Polyphenols Hamamelidaceae Plants Disease Research Fields Source Classification	Bacterial
Hamamelitannin, a polyphenol extracted from the bark of Hamamelis virginiana, is a quorum-sensing (QS) inhibitor. Hamamelitannin increases antibiotic susceptibility of staphylococcus aureus biofilms by affecting peptidoglycan biosynthesis and eDNA release .

HY-135897

Urolithin C 5 Publications Verification	Classification of Application Fields Phenols Polyphenols Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Calcium Channel Reactive Oxygen Species (ROS) Apoptosis Endogenous Metabolite
Urolithin C, a gut-microbial metabolite of Ellagic acid, is a glucose-dependent activator of insulin secretion. Urolithin C is a L-type Ca ²⁺ channel opener and enhances Ca ²⁺ influx. Urolithin C induces cell apoptosis through a mitochondria-mediated pathway and also stimulates reactive oxygen species (ROS) formation .

HY-107208

Procyanidol B4 1 Publications Verification (-)-Procyanidin B4	Structural Classification Flavonoids other families Classification of Application Fields Phenols Polyphenols Plants Biflavones Inflammation/Immunology Disease Research Fields Source Classification	Reactive Oxygen Species (ROS) COX Interleukin Related NO Synthase
Procyanidol B4 ((-)-Procyanidin B4) is an orally active polyphenol found in Q.gilva. Procyanidol B4 exerts antioxidant activity by scavenging DPPH (HY-112053) (IC₅₀: 12.15 μM) and Nitro blue tetrazolium chloride (NBT) (HY-15925) (IC₅₀: 8.67 μM). Procyanidol B4 exhibits anti-inflammatory activity by inhibiting the expression of COX-2 and IL-1β and iNOS .

HY-B1890

(±)-Catechin 1 Publications Verification rel-Cianidanol; rel-Catechuic acid	Infection Cardiovascular Disease Neurological Disease Classification of Application Fields Phenols Polyphenols Camellia sinensis (L.) O. Ktze. Plants Inflammation/Immunology Disease Research Fields Source Classification Theaceae	COX
(±)-Catechin (rel-Cianidanol) is the racemate of the green tea polyphenol Catechin. Catechin has anticancer activity and induces apoptosis. (±)-Catechin has two forms, (+)-Catechin and its enantiomer (-)-Catechin. (+)-Catechin inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 1.4 μM. (-)-Catechin can effectively promote hBM-MSC adipocyte differentiation and increase adiponectin and PPARγ levels. (±)-Catechin has anti-tumor, anti-obesity, anti-diabetic, anti-cardiovascular, anti-infectious, hepatoprotective and neuroprotective effects .

HY-N0001A

(+)-Epicatechin 1 Publications Verification Dexepicatechin; (+)-Epicatechol	Flavonoids other families Classification of Application Fields Flavanols Other Diseases Phenols Polyphenols Plants Disease Research Fields Source Classification	Others
(+)-Epicatechin (Dexepicatechin) is a catechin and a polyphenol, with antioxidant activities .

HY-N0521A

(+)-Gallocatechin 1 Publications Verification	Flavonoids Classification of Application Fields Flavanols Phenols Polyphenols Camellia sinensis (L.) O. Ktze. Plants Disease Research Fields Source Classification Theaceae Cancer	Others
(+)-Gallocatechin is a polyphenol compound from green tea, possesses anticancer activity .

HY-150521

Hispolon	Infection Microorganisms Classification of Application Fields Phenols Polyphenols Metabolic Disease Disease Research Fields Cancer	Antibiotic
Hispolon, a polyphenol, can be isolated from Phellinus linteus. Hispolon possesses anticancer, antidiabetic, antioxidant, antiviral, hepatoprotective, anti-diabetic, and anti-inflammatory activities .

HY-13653R

(-)-Epigallocatechin Gallate (Standard) Maximum Cited Publications 57 Publications Verification EGCG(Standard); Epigallocatechol Gallate (Standard)	Flavonoids other families Classification of Application Fields Anti-aging Phenols Plants Endogenous metabolite Inflammation/Immunology Disease Research Fields Source Classification Cancer	Reference Standards Endogenous Metabolite Apoptosis
(-)-Epigallocatechin Gallate (Standard) is the analytical standard of (-)-Epigallocatechin Gallate. This product is intended for research and analytical applications. (-)-Epigallocatechin Gallate (EGCG) is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. (-)-Epigallocatechin Gallate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma .

HY-129440

N-(p-Coumaroyl) Serotonin	Structural Classification Classification of Application Fields Carthamus tinctorius L. Phenols Polyphenols Plants Compositae Inflammation/Immunology Disease Research Fields Source Classification	NF-κB Toll-like Receptor (TLR) p38 MAPK NO Synthase COX ERK Caspase PDGFR MyD88 Reactive Oxygen Species (ROS) Apoptosis
N-(p-Coumaroyl) Serotonin is an orally active polyphenol found in safflower seeds with potent anti-inflammatory, antioxidant, and antitumor activities. N-(p-Coumaroyl) Serotonin suppresses NF‑κB, TLR4/MyD88 and MAPK signaling, activates NQO1/HO‑1 pathways, and inhibits pro‑inflammatory cytokines, iNOS and COX‑2 and ROS production. N-(p-Coumaroyl) Serotonin induces S‑phase arrest and apoptosis in glioblastoma cells, reduces atherosclerotic lesions, and alleviates renal and vascular injuries. N-(p-Coumaroyl) Serotonin acts as a vasodilator, regulates calcium dynamics. N-(p-Coumaroyl) Serotonin can be used for the research of neurodegenerative diseases, atherosclerosis, glioblastoma, and acute renal failure .

HY-N1925

Tea polyphenol 2 Publications Verification	Classification of Application Fields Phenols Camellia sinensis (L.) O. Ktze. Plants Research on Agricultural Breeding Inflammation/Immunology Disease Research Fields Source Classification Theaceae Cancer Agricultural Research	Apoptosis Autophagy
Tea polyphenol is the floorboard of phenolic compounds in tea. Tea polyphenol exhibits biological activity including antioxidant and anti-cancer activities, inhibition of cell proliferation, induction of apoptosis, cell cycle arrest and modulation of carcinogen metabolism .

HY-113085

3-Hydroxyhippuric acid 1 Publications Verification	Monophenols Classification of Application Fields Ketones, Aldehydes, Acids Other Diseases Phenols Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
3-Hydroxyhippuric acid is an acyl glycine. 3-Hydroxyhippuric acid inhibits kynureninase (K_i = 60 μM). 3-Hydroxyhippuric acid is found in higher concentrations in autistic group than in the controls. 3-Hydroxyhippuric acid is a marker of Clostridium species, and has a positive correlation with the level of Clostridia. 3-Hydroxyhippuric acid is one of the main metabolites formed from the catechin diet and wine polyphenol diets .

HY-113357

m-Coumaric acid	Structural Classification Monophenols Classification of Application Fields Ketones, Aldehydes, Acids Phenols Endogenous metabolite Inflammation/Immunology Disease Research Fields Source Classification	Endogenous Metabolite
m-Coumaric acid is a polyphenol metabolite from caffeic acid, formed by the gut microflora and the amount in human biofluids is diet-dependant. m-Coumaric acid is a BBB-penetrant metabolite of chlorogenic acid. m-Coumaric acid stimulates the cerebral nerves in vitro. m-Coumaric acid can evoke neurite outgrowth in hippocampal neuronal cells. m-Coumaric acid can promote neuronal differentiation. m-Coumaric acid increases spontaneous locomotor activity in mice by acting on the central nervous system. m-Coumaric acid inhibits the oxidation of L-dopa by epidermis tyrosinase. m-Coumaric acid attenuates non-catalytic protein glycosylation in retinas of diabetic rats .

HY-113158

4-Hydroxyhippuric acid	Immune System Disorder Disease markers Endogenous metabolite	Drug Metabolite
4-Hydroxyhippuric acid is a metabolite of polyphenols. 4-Hydroxyhippuric acid is generated via medium-chain acyl-CoA dehydrogenase (MCAD)-dependent β-oxidation of microbially-produced 3-(4-hydroxyphenyl)propionic acid, followed by host glycine conjugation. 4-Hydroxyhippuric acid can be simultaneously detected in urine as a biomarker of dietary polyphenol intake .

HY-N2485

4'-Methoxyresveratrol 1 Publications Verification 4'-O-Methylresveratrol	Stilbenes Rheum palmatum L. Classification of Application Fields Polygonaceae Phenols Polyphenols Plants Inflammation/Immunology Disease Research Fields Source Classification	NF-κB NOD-like Receptor (NLR)
4'-Methoxyresveratrol (4'-O-Methylresveratrol) is a polyphenol derived from Dipterocarpaceae, with antiandrogenic, antifungal and anti-inflammatory activities. 4'-Methoxyresveratrol alleviates AGE-induced inflammation through suppressing RAGE-mediated MAPK/NF-κB signaling pathway and NLRP3 inflammasome activation .

HY-N0063R

Punicalagin (Standard)	Structural Classification Punica granatum L. Phenols Polyphenols Punicaceae Plants Source Classification	Reference Standards SARS-CoV HBV
Punicalagin (Standard) is the analytical standard of Punicalagin. This product is intended for research and analytical applications. Punicalagin is a polyphenol ingredient isolated from Pomegranate (Punica granatum L.) or the leaves of Terminalia catappa L.. Punicalagin is a reversible and non-competitive 3CLpro inhibitor and inhibits SARS-CoV-2 replication in vitro. Punicalagin is an anti-hepatitis B virus (HBV) agent and has antioxidant, anti-inflammatory, and anticancer effects. Punicalagin has the potential for the research of COVID-19 .

HY-N4146

Proanthocyanidin A4	Classification of Application Fields Vitis vinifera cv. Zalema Plants Vitaceae Flavonoids Functional Molecules Research of Health Products Phenols Polyphenols Biflavones Inflammation/Immunology Disease Research Fields Source Classification	Others
Proanthocyanidin A4 is a polyphenol found in a variety of plants. Proanthocyanidin A4 possesses anti-inflammatory effects .

HY-N1579R

Pyrogallol (Standard)	Structural Classification Microorganisms Phenols Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite Fungal Apoptosis
Pyrogallol (Standard) is the analytical standard of Pyrogallol. This product is intended for research and analytical applications. Pyrogallol is a polyphenol compound, which has anti-fungal and anti-psoriatic properties. Pyrogallol is a reductant that is able to generate free radicals, in particular superoxide anions.

HY-150526

EGCG-4″-sulfate	Flavonoids Classification of Application Fields Flavanols Endogenous metabolite Inflammation/Immunology Disease Research Fields Source Classification Cancer	Endogenous Metabolite Apoptosis
EGCG-4″-sulfate is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate sulfate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. EGCG-4″-sulfate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma .

HY-B1890R

(±)-Catechin (Standard) rel-Cianidanol (Standard); rel-Catechuic acid (Standard)	Structural Classification Phenols Polyphenols Camellia sinensis (L.) O. Ktze. Plants Source Classification Theaceae	Reference Standards COX
(±)-Catechin (Standard) is the analytical standard of (±)-Catechin. This product is intended for research and analytical applications. (±)-Catechin (rel-Cianidanol) is the racemate of the green tea polyphenol Catechin. Catechin has anticancer activity and induces apoptosis. (±)-Catechin has two forms, (+)-Catechin and its enantiomer (-)-Catechin. (+)-Catechin inhibits cyclooxygenase-1 (COX-1) with an IC50 of 1.4 μM. (-)-Catechin can effectively promote hBM-MSC adipocyte differentiation and increase adiponectin and PPARγ levels. (±)-Catechin has anti-tumor, anti-obesity, anti-diabetic, anti-cardiovascular, anti-infectious, hepatoprotective and neuroprotective effects .

HY-N1445R

Isoquercitrin (Standard) 1 Publications Verification Isoquercetin (Standard); Quercetin 3-glucoside (Standard)	Apocynaceae Flavonols Structural Classification Flavonoids Phenols Polyphenols Plants Apocynum venetum Linn. Source Classification	Reference Standards NF-κB NO Synthase
Isoquercetin (Standard) is the analytical standard of Isoquercetin. This product is intended for research and analytical applications. Isoquercetin (Quercetin 3-glucoside) is a naturally occurring polyphenol that has antioxidant, anti-proliferative, and anti-inflammatory properties. Isoquercetin alleviates ethanol-induced hepatotoxicity, oxidative stress, and inflammatory responses via the Nrf2/ARE antioxidant signaling pathway . Isoquercetin regulates the expression of nitric oxide synthase 2 (NO2) via modulating the nuclear factor-κB (NF-κB) transcription regulation system. Isoquercetin has high bioavailability and low toxicity, is a promising candidate agent to prevent birth defects in diabetic pregnancies .

HY-N10668

2-(3-Hydroxy-2-oxoindolin-3-yl)-acetic acid	Alkaloids Humulus lupulus L. Plants Moraceae Indole Alkaloids Source Classification	Others
2-(3-Hydroxy-2-oxoindolin-3-yl)-acetic acid (compound 29) is a natural polyphenol compound found in hop bract .

HY-N9919

Glyasperin C	Flavonoids Classification of Application Fields Leguminosae Other Diseases Phenols Polyphenols Plants Disease Research Fields Glycyrrhiza uralensis Fisch. Isoflavones Source Classification	Others
Glyasperin C is a potent and reversible noncompetitive inhibitor of neuraminidase with an IC₅₀ of 20% at 200 μM. Glyasperin C is a polyphenol isolated from the roots of Glycyrrhiza uralensis .

HY-129137

Cyanidin 3-sophoroside chloride Cy 3-soph	Rosaceae Plants Prunus cerasus L.	Tyrosinase
Cyanidin 3-sophoroside chloride is a potent non-competitive reversible polyphenol oxidase (PPO)/Tyrosinase inhibitor. Also, Cyanidin 3-sophoroside chloride can be used as an anti-browning agent to inhibit the degree of PPO browning, enhance the antioxidant damage capacity of fruits and prolong the storage period .

HY-N0192R

Arbutin (Standard) β-Arbutin (Standard)	Bergenia purpurascens (Hook. f. et Thoms.) Engl. Structural Classification Human Gut Microbiota Metabolites Microorganisms Phenols Saxifragaceae Plants Endogenous metabolite Source Classification	Reference Standards Tyrosinase Endogenous Metabolite
Arbutin (Standard) is the analytical standard of Arbutin. This product is intended for research and analytical applications. Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase, with Kiapp values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents . Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties .

HY-W016562R

Hippuric acid (Standard) Benzoylglycine (Standard)	Structural Classification Microorganisms Ketones, Aldehydes, Acids Disease markers Endocrine diseases Nervous System Disorder Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
Hippuric acid (Standard) is the analytical standard of Hippuric acid. This product is intended for research and analytical applications. Hippuric Acid is an orally active metabolite. Hippuric Acid can be produced by intestinal microorganisms from the metabolism of polyphenols, benzoic acid. Hippuric Acid decreases NRF2, MMP9 and leads to ROS accumulation. Hippuric Acid activates TGFβ/SMAD signaling. Hippuric Acid improves hyperuricemia and colitis. Hippuric Acid can also be used in cardiovascular disease research . .

HY-N7664

Isotheaflavin	Flavonoids Classification of Application Fields Flavanols Other Diseases Phenols Polyphenols Plants Camellia sinensis (L.) O. Ktze. Disease Research Fields Source Classification Theaceae	Others
Isotheaflavin is one of antioxidant polyphenols in black tea .

HY-N13242

Cinnamon Bark Extract	Cardiovascular Disease Classification of Application Fields Metabolic Disease Plants Lauraceae Disease Research Fields Source Classification Cancer	Others
Cinnamon Bark Extract is the extract of Cinnamon Bark, with content of 10% -30% Polyphenols.

HY-N11823

Quercetin 3,7-diglucoside	Flavonoids Ficus carica L. Flavones Plants Moraceae Saccharides Monosaccharides Source Classification	Biochemical Assay Reagents
Quercetin 3,7-diglucoside is an antioxidant that can be obtained from the leaves of Ficus carica L .

HY-N0522R

(-)-Gallocatechin gallate (Standard) (-)-Gallocatechol gallate (Standard)	Structural Classification Flavonoids Flavanols Phenols Polyphenols Camellia sinensis (L.) O. Ktze. Plants Source Classification Theaceae	Reference Standards Others
(-)-Gallocatechin gallate (Standard) is the analytical standard of (-)-Gallocatechin gallate. This product is intended for research and analytical applications. (-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.

HY-N10647

Isoscutellarein 8-O-β-D-glucuronide	Sterculiaceae Theobroma grandiflorum (Willd. ex Spreng.) K.Schum. Plants	Others
Isoscutellarein 8-O-β-D-glucuronide is a flavonoid antioxidant, can be isolated from Theobroma grandiflorum seeds .

HY-W015752

5-Methoxyresorcinol	Classification of Application Fields Other Diseases Phenols Polyphenols Endogenous metabolite Disease Research Fields Source Classification	Drug Intermediate
5-Methoxyresorcinol is a model molecule of the A ring of flavonoids, specifically simulating the chemical behavior of the resorcinol-type A ring found in catechins. 5-Methoxyresorcinol exhibits extremely low reactivity of tocopherol. 5-Methoxyresorcinol hardly inhibits cholesteryl ester transfer protein (CETP) .

HY-N1902R

4-Hydroxyphenylacetic acid (Standard)	Structural Classification Human Gut Microbiota Metabolites Monophenols Phenols Plants Compositae Endogenous metabolite Erythrina latissima E. Mey. Source Classification	Reference Standards Keap1-Nrf2 Endogenous Metabolite
4-Hydroxyphenylacetic acid (Standard) is the analytical standard of 4-Hydroxyphenylacetic acid. This product is intended for research and analytical applications. 4-hydroxyphenylacetic acid, a major microbiota-derived metabolite of polyphenols, is involved in the antioxidative action. 4-hydroxyphenylacetic acid induces expression of Nrf2 . IC₅₀ & Target:Nrf2 In Vivo: 4-Hydroxyphenylacetic acid (6, 12, or 25 mg/kg) increases Nrf2 translocation to the nucleus and enhances the activity of phase II and antioxidant enzymes. The protein levels of nuclear Nrf2 are increased by 170% and 230% in pre-treated 12 and 25 mg/kg 4-Hydroxyphenylacetic acid groups, respectively, compared with the control group.The 4-Hydroxyphenylacetic acid pretreatment at a final dose of 25 mg/kg markedly and selectively up-regulated the target genes of phase II enzymes and resulted in higher up-regulation than that of the control group by 270%, 400%, and 500% or UGT1A1, UGT1A9, and SULT2A1, respectively. 4-Hydroxyphenylacetic acid also suppresses the expression of CYP2E1 .

HY-N2342R

Procyanidin C1 (Standard) PCC1 (Standard)	Structural Classification Flavonoids Rosaceae Phenols Polyphenols Crataegus pinnatifida Bge. Plants Biflavones Source Classification	Reference Standards Apoptosis
Procyanidin C1 (Standard) is the analytical standard of Procyanidin C1. This product is intended for research and analytical applications. Procyanidin C1 (PCC1), a natural polyphenol with oral activity, causes DNA damage, cell cycle arrest and induces apoptosis. Procyanidin C1 decreases the level of Bcl-2, but enhances BAX, caspase 3 and 9 expression in cancer cells. Procyanidin C1 shows senotherapeutic activity and increases lifespan in mice .

HY-N4298

Epitheaflagallin 3-O-gallate	Classification of Application Fields Phenols Polyphenols Plants Camellia sinensis (L.) O. Ktze. Disease Research Fields Inflammation/Immunology Source Classification Theaceae	MMP
Epitheaflagallin 3-O-gallate is a minor polyphenol in black tea. Epitheaflagallin 3-O-gallate exhibits versatile physiological functions in vivo and in vitro, including antioxidative activity, pancreatic lipase inhibition, Streptococcus sorbinusglycosyltransferase inhibition, and an inhibiting effect on the activity of matrix metalloprotease-1 and -3 and their synthesis by human gingival fibroblasts .

HY-113085R

3-Hydroxyhippuric acid (Standard)	Structural Classification Monophenols Ketones, Aldehydes, Acids Phenols Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
3-Hydroxyhippuric acid (Standard) is the analytical standard of 3-Hydroxyhippuric acid. This product is intended for research and analytical applications. 3-Hydroxyhippuric acid is an acyl glycine. 3-Hydroxyhippuric acid inhibits kynureninase (K_i = 60 μM). 3-Hydroxyhippuric acid is found in higher concentrations in autistic group than in the controls. 3-Hydroxyhippuric acid is a marker of Clostridium species, and has a positive correlation with the level of Clostridia. 3-Hydroxyhippuric acid is one of the main metabolites formed from the catechin diet and wine polyphenol diets .

HY-113357R

m-Coumaric acid (Standard)	Structural Classification Monophenols Microorganisms Ketones, Aldehydes, Acids Phenols Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
m-Coumaric acid (Standard) is the analytical standard of m-Coumaric acid. This product is intended for research and analytical applications. m-Coumaric acid is a polyphenol metabolite from caffeic acid, formed by the gut microflora and the amount in human biofluids is diet-dependant. m-Coumaric acid is a BBB-penetrant metabolite of chlorogenic acid. m-Coumaric acid stimulates the cerebral nerves in vitro. m-Coumaric acid can evoke neurite outgrowth in hippocampal neuronal cells. m-Coumaric acid can promote neuronal differentiation. m-Coumaric acid increases spontaneous locomotor activity in mice by acting on the central nervous system. m-Coumaric acid inhibits the oxidation of L-dopa by epidermis tyrosinase. m-Coumaric acid attenuates non-catalytic protein glycosylation in retinas of diabetic rats .

Cat. No.	Product Name	Chemical Structure

HY-13653S1

(-)-Epigallocatechin Gallate-d4

(-)-Epigallocatechin Gallate-d₄ (EGCG-d₄) is the deuterium labeled (-)-Epigallocatechin Gallate (HY-13653). (-)-Epigallocatechin Gallate (EGCG) is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. (-)-Epigallocatechin Gallate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma .

HY-N1902S

4-Hydroxyphenylacetic acid-d6
4-Hydroxyphenylacetic acid-d₆ is the deuterium labeled 4-Hydroxyphenylacetic acid. 4-hydroxyphenylacetic acid, a major microbiota-derived metabolite of polyphenols, is involved in the antioxidative action. 4-hydroxyphenylacetic acid induces expression of Nrf2 .

HY-N1902S1

4-Hydroxyphenylacetic acid-d4
4-Hydroxyphenylacetic acid-d₄ is the deuterium labeled 4-Hydroxyphenylacetic acid . 4-hydroxyphenylacetic acid, a major microbiota-derived metabolite of polyphenols, is involved in the antioxidative action. 4-hydroxyphenylacetic acid induces expression of Nrf2 .

HY-170017S

(−)-Epigallocatechin Gallate-d3/d4

(-)-Epigallocatechin Gallate-d₃/d₄ (EGCG-d₃/d₄) is the deuterium labeled (-)-Epigallocatechin Gallate (HY-13653). (-)-Epigallocatechin Gallate (EGCG) is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. (-)-Epigallocatechin Gallate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma .

HY-N0521AS

(+)-Gallocatechin-13C3
(+)-Gallocatechin- ¹³C₃ is the ¹³C-labeled (+)-Gallocatechin. (+)-Gallocatechin is a polyphenol compound from green tea, possesses anticancer activity .

HY-113357S

m-Coumaric acid-13C3
m-Coumaric acid- ¹³C₃ is the ¹³C-labeled m-Coumaric acid. m-Coumaric acid is a polyphenol metabolite from caffeic acid, formed by the gut microflora and the amount in human biofluids is diet-dependant.

HY-Z0548S1

Methyl 3,4-dihydroxybenzoate-d3-1
Methyl 3,4-dihydroxybenzoate-d₃-1 is the deuterium labeled Methyl 3,4-dihydroxybenzoate. Methyl 3,4-dihydroxybenzoate (Protocatechuic acid methyl ester; Methyl protocatechuate) is a major metabolite of antioxidant polyphenols found in green tea. Antioxidant and anti-inflammatory effect .

HY-N0192S

Arbutin-d4

Arbutin-d₄ is deuterium labeled Arbutin. Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase in melanocytes, with K_iapp values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents . Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties .

HY-W747703

Hippuric acid-13C6

Hippuric acid- ¹³C₆ (Benzoylglycine- ¹³C₆) is ¹³C labeled Hippuric acid. Hippuric Acid is an orally active metabolite. Hippuric Acid can be produced by intestinal microorganisms from the metabolism of polyphenols, benzoic acid. Hippuric Acid decreases NRF2, MMP9 and leads to ROS accumulation. Hippuric Acid activates TGFβ/SMAD signaling. Hippuric Acid improves hyperuricemia and colitis. Hippuric Acid can also be used in cardiovascular disease research . .

HY-N1902S2

4-Hydroxyphenylacetic acid-d2
4-Hydroxyphenylacetic acid-d₂ is the deuterium labeled 4-Hydroxyphenylacetic acid (HY-N1902). 4-hydroxyphenylacetic acid, a major microbiota-derived metabolite of polyphenols, is involved in the antioxidative action. 4-hydroxyphenylacetic acid induces expression of Nrf2 .

HY-178381S

3-Hydroxyhippuric acid-d4

3-Hydroxyhippuric acid-d₄ is the deuterium labeled 3-Hydroxyhippuric acid (HY-113085). 3-Hydroxyhippuric acid is an acyl glycine. 3-Hydroxyhippuric acid inhibits kynureninase (Ki = 60 μM). 3-Hydroxyhippuric acid is found in higher concentrations in autistic group than in the controls. 3-Hydroxyhippuric acid is a marker of Clostridium species, and has a positive correlation with the level of Clostridia. 3-Hydroxyhippuric acid is one of the main metabolites formed from the catechin diet and wine polyphenol diets .

Cat. No.	Product Name		Classification

HY-177845

Liposomal Resveratrol		Liposome
Liposomal Resveratrol is a specialized delivery system that encapsulates resveratrol within tiny liposomes. These liposomes act as protective shells, enhancing the absorption and bioavailability of resveratrol. Resveratrol is a polyphenol found in plants,

HY-177840

Liposomal Curcumin		Liposome
Liposomal Curcumin is a specialized delivery system that encapsulates curcumin within tiny liposomes. These liposomes act as protective shells, enhancing the absorption and bioavailability of curcumin. Curcumin is a polyphenol compound extracted from the

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polyphenols

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Isotope-Labeled Compounds

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